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Finding the Fourth Proportional to 888,881, 1,333,460 and 289,703.14

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Solution

The fourth proportional to 888,881, 1,333,460 and 289,703.14 is: 434,599.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,881 : 1,333,460 = 289,703.14 : x
  2. Step 2: Convert to fraction form
    888,881/1,333,460 = 289,703.14/x
  3. Step 3: Cross multiply
    888,881x = 1,333,460 × 289,703.14
  4. Step 4: Simplify right side
    888,881x = 386,307,549,064.40
  5. Step 5: Solve for x
    x = 386,307,549,064.40/888,881
  6. Step 6: Final answer
    x = 434,599.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.